Cow cloning research

Cow cloning research

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Caption: Cow cloning research. Gloved hand holding a frozen sample of genetic material from a Brahman bull named Chance. This genetic material was taken from the 21 year old bull's skin cells. It was used to produce Second Chance, the first calf to be cloned form an adult male. To clone a cow an oocyte is taken from a female and its nuclear material is removed. Genetic material is taken from a body (somatic) cell of the animal to be cloned and injected into the empty nucleus. The resulting cloned oocyte is grown to the embryo stage and then implanted in a foster cow's uterus. It took 189 attempts to clone Chance. Photographed at Texas A&M University, USA, in 1999.

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Keywords: 1900s, 1999, 20th century, american, bioengineering, biological, biology, biotechnology, brahman bull, cryogenic storage, cryostorage, deoxyribonucleic acid, dna, engineered, engineering, frozen, genetic, genetic material, genetically, genetics, human, lab, laboratory, north america, north american, people, person, research, sample, second chance, texas a and m university, transgenic, united states, us, usa

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